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maw [93]
3 years ago
5

Is y=3x-5 linear or non-linear? (A linear (B non-linear

Mathematics
2 answers:
Nikitich [7]3 years ago
6 0

Answer:

A

Step-by-step explanation:

It's linear because it's in the linear equation form: y=mx+c

m=3

c=-5

Any equation in that form will be linear.

WINSTONCH [101]3 years ago
5 0
A...............................
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The GCF of 45 and 18 is 9

9(5+2)

(P.S. the sum of all of the number is 63)

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!!!Quick!!! Barbara can walk 3200 meters in 24 minutes. How far can she walk in 3 minutes? (In Meters)
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Answer:

400 meters

Step-by-step explanation:

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This is an example of what form of a number?
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3 years ago
In a sewage treatment plant, a large concrete tank initially contains 440,000 liters of liquid and 10,000 kg of fine suspended s
viva [34]

Answer:

Concentration = 8.26kg/m^3

Step-by-step explanation:

Given

  V = 440000L --- volume of tank

m = 10,000 kg --- solid mass

r = 40000L/hr --- outflow rate  

Required

Determine the concentration at the end of 4 hours

First, calculate the amount of liquid that has been replaced at the end of the 4 hours.

Amount = r * Time

Amount = 40000L/hr * 4hr

Amount = 40000L * 4

Amount = 160000L

This implies that, over the 4 hours; The tank has 160000 liters of liquid out of 440000 liters were replaced

Calculate the ratio of the liquid replaced.

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Ratio = \frac{160000L}{440000L}

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Next, calculate the amount of solid left.

Amount (Solid)= Ratio * m

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Amount (Solid)= \frac{40000}{11}kg

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Convert L to cubic meters

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